Panic and memory exhaustion via unbounded CFB stream allocation in github.com/xuri/excelize

{
  "id": "40749b6b2751ac62669a45aa05905ef2e54df6f0ccf959caa56b472aa1df8005",
  "url": "https://osv.dev/vulnerability/GO-2026-6689",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Panic and memory exhaustion via unbounded CFB stream allocation in github.com/xuri/excelize",
    "summary": "Panic and memory exhaustion via unbounded CFB stream allocation in github.com/xuri/excelize",
    "evidence": "osv:GO-2026-6689",
    "products": [
      {
        "name": {
          "value": "github.com/360EntSecGroup-Skylar/excelize/v2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "github.com/xuri/excelize/v2",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.11.1-0.20260912113515-5f636f9dcde5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "GO-2026-6689",
      "aliases": [
        "CVE-2026-107215",
        "GHSA-x2q3-8cjh-766f",
        "GO-2026-6689"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "2.3.1"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/360EntSecGroup-Skylar/excelize/v2",
            "purl": "pkg:golang/github.com/360EntSecGroup-Skylar/excelize/v2",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-6689.json"
          },
          "ecosystem_specific": {
            "imports": [
              {
                "path": "github.com/360EntSecGroup-Skylar/excelize/v2",
                "symbols": [
                  "Decrypt",
                  "OpenFile",
                  "OpenReader",
                  "extractPart"
                ]
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.11.1-0.20260912113515-5f636f9dcde5"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/xuri/excelize/v2",
            "purl": "pkg:golang/github.com/xuri/excelize/v2",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-6689.json"
          },
          "ecosystem_specific": {
            "imports": [
              {
                "path": "github.com/xuri/excelize/v2",
                "symbols": [
                  "Decrypt",
                  "OpenFile",
                  "OpenReader",
                  "extractPart"
                ]
              }
            ]
          }
        }
      ],
      "modified": "2026-10-19T21:31:52.826584494Z",
      "provider": "osv",
      "references": [
        "https://github.com/qax-os/excelize/security/advisories/GHSA-x2q3-8cjh-766f",
        "https://github.com/qax-os/excelize/commit/5f636f9dcde55911f14290060b017f0cc88cd694",
        "https://github.com/qax-os/excelize/pull/2396"
      ],
      "provider_metadata": {
        "url": "https://pkg.go.dev/vuln/GO-2026-6689",
        "review_status": "REVIEWED"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-107215",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 376714,
  "published_at": "2026-10-19T21:08:21+00:00"
}